Which Statement Is NOT a Reason Why New Strains of Influenza

question 66

Multiple Choice

Which statement is NOT a reason why new strains of influenza are identified each year?

• A) Antigenic drift causes changes to the antigens on the surface of the virus.
• B) Viruses reproduce rapidly and often make mistakes in their genetic sequences,resulting in new strains of viruses.
• C) Viruses can swap genes with other viruses,creating new strains of viruses.
• D) Influenza vaccines introduce new strains of influenza to populations every year.

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Definitions:

Cerebellum

A brain structure that regulates movement and balance, is involved in remembering simple skills and acquired reflexes, and plays a role in cognitive and emotional learning.

Physiological Patterns

Regular and predictable behaviors or responses of the body's systems, often in relation to health and disease.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in regulating heart rate, blood vessel and air passage diameters, and metabolic shifts; it plays a key role in the body's fight-or-flight response.

Hormones

Chemical substances, secreted by organs called glands, that affect the functioning of other organs.